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Extreme Flow EFI Regulator Designed for use with Belt or Hex Drive Fuel Pumps . Expanded, 5-Port Body with 1 – AN-10 plus 4 AN-08 inlet/outlet ports, and one AN-10 return port. 0.500 High Flow Valve/Seat, able to handle 7-26 GPM Fuel Pumps Dual Springs expand operating pressure range while maintaining a low profile and reduced weight. Standard spring (installed) supports 30-75 PSI base fuel pressure. High Pressure spring (included) supports 75-120 PSI base fuel pressure. Supports vacuum and boost reference on a 1:1 ratio with PSI. This product is not legal for sale or use on emission-controlled vehicles except when used on a dedicated race vehicle.
